World dynamicsWright-Allen Press, 1971 - 142 pages |
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Page 29
... falling food ratio increases death rate DR to reduce population . The loops of Figure 2-7 , wherein pollution stabilizes population , have probably not had a major impact in the past . But reports on shortened life span from continuous ...
... falling food ratio increases death rate DR to reduce population . The loops of Figure 2-7 , wherein pollution stabilizes population , have probably not had a major impact in the past . But reports on shortened life span from continuous ...
Page 72
... falling slightly , and the food ratio is a strong determinant of the allocation of capital to food growing . In the right half of the diagram , the falling material standard of living and the rising food ratio reverse the demand for ...
... falling slightly , and the food ratio is a strong determinant of the allocation of capital to food growing . In the right half of the diagram , the falling material standard of living and the rising food ratio reverse the demand for ...
Page 73
... falling fastest when the usage rate is the highest . Figure 4-4 is again from the original system and shows the generation and discard of capital investment and a repeat of the curve for capital investment . Until the year 2040 ...
... falling fastest when the usage rate is the highest . Figure 4-4 is again from the original system and shows the generation and discard of capital investment and a repeat of the curve for capital investment . Until the year 2040 ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
6 other sections not shown
Common terms and phrases
accumulation action actual agriculture appear assumed assumptions average become behavior billion birth rate capital investment Capital-investment cause Chapter consequences continue created crowding curve death rate decline defined depends described developed discard discussed dynamic effect environment equations equilibrium examine existing expect factor falling Figure food production food ratio forces fraction further future gives greater grow growth higher improve increase indicated industrialization influence initial land less limit LOGICAL FUNCTION loop lower material standard means mode MULTIPLIER DIMENSIONLESS natural resources natural-resource normal NREM NRUN1 occurs ORIGINAL peak person policies pollution crisis pollution ratio POLN1 POLR population possible present pressures probably processes raise rate normal reaches reduced relationship remaining represents result rise sector shortage shown shows social systems space standard of living stop structure suppressed TABLE taken tion units usage variable world system